Chapter 29 · Organic chemicals · Section 6

HS Code 2921.59

Other

Heading 2921: Amine-function compounds

US duty (general)
Free - 6.5%
US HTS lines
7
EU CN codes
3
UK commodity codes
11
Unit
kg

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 2921.59

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
2921.59.04 Other >
1,8-Diaminonaphthalene (1,8-Naphthalenediamine)
Free - 15.4¢/kg + 39.5% kg
2921.59.08 Other >
5-Amino-2-(p-aminoanilino) benzenesulfonic acid; 4,4'-Diamino-3-biphenylsulfonic acid (3-Benzidinesulfonic acid); 3,3'-Dimethylbenzidine (o-Tolidine); 3,3'-Dimethylbenzidine hydrochloride; Ethyl-(2-dimethylaminoethyl) aniline;N-Ethyl-N,N'-dimethyl-N'-phenylethylene- diamine; and 4,4'-Methylenebis(2-chloroaniline)
5.8% Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 39.5% kg
2921.59.17 Other >
4,4'-Benzidine-2,2'-disulfonic acid; 1,4-Diaminobenzene-2-sulfonic acid; 4,4'-Methylene bis ((3-chloro-2,6-diethylaniline); 4,4'-Methylene bis(2,6-diethylaniline); 4,4'-Methylene bis (2,6-diisopropylaniline);m-Xylene diamine; and 3,3'-Diaminobenzidine (tetraaminobiphenyl)
Free - 15.4¢/kg + 60% kg
2921.59.20 Other >
4,4'-Diamino-2,2'-stilbenedisulfonic acid
6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 80% kg
2921.59.30 Other >
4,4'-Methylenedianiline
6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 40% kg
2921.59.40 Other > Other >
Products described in additional U.S. note 3 to section VI
6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 60% kg
2921.59.80 Other > Other >
Other
2 statistical lines (10-digit)
  • 2921.59.80.10 - 3,3'-Dichlorobenzidine dihydrochloride
  • 2921.59.80.90 - Other
6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 60% kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 2921.59

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
2921 59 90 Other EU duty (TARIC) →
2921 59 50 m-Phenylenebis(methylamine); 2,2′-dichloro-4,4′-methylenedianiline; 4,4′-bi-o-toluidine; 1,8-naphthylenediamine EU duty (TARIC) →
2921 59 00 Other EU duty (TARIC) →

United Kingdom - commodity codes under 2921.59

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
2921 59 00 00 Other UK duty & VAT →
2921 59 50 00 m-Phenylenebis(methylamine); 2,2′-dichloro-4,4′-methylenedianiline; 4,4′-bi-o-toluidine; 1,8-naphthylenediamine UK duty & VAT →
2921 59 50 10 2,2'-dichloro-4,4'-methylenedianiline (MOCA) (CAS RN 101-14-4) UK duty & VAT →
2921 59 50 90 Other UK duty & VAT →
2921 59 90 00 Other UK duty & VAT →
2921 59 90 15 Mixture of isomers of 3,5-diethyltoluenediamine (CAS RN 68479-98-1) UK duty & VAT →
2921 59 90 30 3,3'-Dichlorobenzidine dihydrochloride (CAS RN 612-83-9) UK duty & VAT →
2921 59 90 40 4,4'-Diaminostilbene-2,2'-disulphonic acid (CAS RN 81-11-8) UK duty & VAT →
2921 59 90 75 4,4’- Diaminodiphenylmethane (MDA) (CAS RN 101-77-9) UK duty & VAT →
2921 59 90 85 4,4'-Methanediyldianiline (CAS RN 101-77-9) with a purity by weight of at least 97 %, in the form of granules, for use in the manufacture of prepolymers UK duty & VAT →
2921 59 90 90 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 2921

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.